Patents by Inventor Wolfgang Wolkenstrorfer

Wolfgang Wolkenstrorfer has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Control clamp for infusion hoses
    Patent number: 4811928
    Abstract: A control clamp for adjusting the flow rate of a liquid through a flexible hose, such as the hose of an infusion device is provided with a manually operable means for varying the flow cross section of the hose. The means comprises three clamping jaws (14,14',14") of circular sector shape, in section perpendicular to the longitudinal axis of the hose (10), the relative spacing between the clamping jaws being variable by moving them along radii (16,16',16") which intersect the longitudinal axis (20).
    Type: Grant
    Filed: July 31, 1987
    Date of Patent: March 14, 1989
    Assignee: Pfrimmer-Viggo GmbH & Co. KG
    Inventors: Peter Iwatschenko, Wolfgang Wolkenstrorfer, Wolfgang Hofmann, Walter Prell